RadTreeView Node Refresh

DEBAL

Hi Support
I'm using Telerik Rad Tree View for one of my asp.net application, my requirement is that :

There a Refresh Button in my telerik radpane container .
User click on the nodes of tree view and different pages are open for that .
After they click on refresh button ( note : refresh button click because user can right click on any child node and create new node after that) I want to show user the last node where user was there (means from parent node to child node should remain expanded but other nodes that user did not click should closed, if click then expanded ) before click on refresh button .

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DEBAL

Thanks for your reply ,
I have Solved my problem like below simple steps .
First I mentioned that , I have a refresh button , When user click on refresh button the node should expand where the user was there , I tried to do this by following code ... it is working .......

I write a filed first :

private string selectednode;

In Page_Load I want to store the value of Selected node in the variable :